<ul class="nav nav-list">
	<li <if condition="$nav eq 1">class="active"</if>>
		<a href="{:U('Index/')}">系统首页</a>
	</li>
	<li <if condition="$nav eq 2">class="active"</if>>
		<a href="{:U('Index/')}">维护分配</a>
	</li>
	<li <if condition="$nav eq 3">class="active"</if>>
		<a href="{:U('Index/')}">维护人员</a>
	</li>
	<li <if condition="$nav eq 4">class="active"</if>>
		<a href="{:U('Index/')}">维护状态</a>
	</li>
</ul>